Turkish financial markets have soared in the past week, partly on the assumption that the AK will stay in power, but will lack the 367 seats needed to change the constitution, a move they fear would spark a political crisis.

The party has presided over strong economic growth, falling inflation and the historic launch of European Union accession talks since being voted into power in November 2002.

But the secularist establishment, including powerful generals, remains deeply distrustful of the party's intentions.